1 /* 2 * Copyright (c) 2022-2023, sakumisu 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 #ifndef USB_UTIL_H 7 #define USB_UTIL_H 8 9 #if defined(__CC_ARM) 10 #ifndef __USED 11 #define __USED __attribute__((used)) 12 #endif 13 #ifndef __WEAK 14 #define __WEAK __attribute__((weak)) 15 #endif 16 #ifndef __PACKED 17 #define __PACKED __attribute__((packed)) 18 #endif 19 #ifndef __PACKED_STRUCT 20 #define __PACKED_STRUCT __packed struct 21 #endif 22 #ifndef __PACKED_UNION 23 #define __PACKED_UNION __packed union 24 #endif 25 #ifndef __ALIGNED 26 #define __ALIGNED(x) __attribute__((aligned(x))) 27 #endif 28 #elif defined(__GNUC__) 29 #ifndef __USED 30 #define __USED __attribute__((used)) 31 #endif 32 #ifndef __WEAK 33 #define __WEAK __attribute__((weak)) 34 #endif 35 #ifndef __PACKED 36 #define __PACKED __attribute__((packed, aligned(1))) 37 #endif 38 #ifndef __PACKED_STRUCT 39 #define __PACKED_STRUCT struct __attribute__((packed, aligned(1))) 40 #endif 41 #ifndef __PACKED_UNION 42 #define __PACKED_UNION union __attribute__((packed, aligned(1))) 43 #endif 44 #ifndef __ALIGNED 45 #define __ALIGNED(x) __attribute__((aligned(x))) 46 #endif 47 #elif defined(__ICCARM__) || defined(__ICCRX__) || defined(__ICCRISCV__) 48 #ifndef __USED 49 #if defined(__ICCARM_V8) || defined (__ICCRISCV__) 50 #define __USED __attribute__((used)) 51 #else 52 #define __USED __root 53 #endif 54 #endif 55 56 #ifndef __WEAK 57 #if defined(__ICCARM_V8) || defined (__ICCRISCV__) 58 #define __WEAK __attribute__((weak)) 59 #else 60 #define __WEAK _Pragma("__weak") 61 #endif 62 #endif 63 64 #ifndef __PACKED 65 #if defined(__ICCARM_V8) || defined (__ICCRISCV__) 66 #define __PACKED __attribute__((packed, aligned(1))) 67 #else 68 /* Needs IAR language extensions */ 69 #define __PACKED __packed 70 #endif 71 #endif 72 73 #ifndef __PACKED_STRUCT 74 #if defined(__ICCARM_V8) || defined (__ICCRISCV__) 75 #define __PACKED_STRUCT struct __attribute__((packed, aligned(1))) 76 #else 77 /* Needs IAR language extensions */ 78 #define __PACKED_STRUCT __packed struct 79 #endif 80 #endif 81 82 #ifndef __PACKED_UNION 83 #if defined(__ICCARM_V8) || defined (__ICCRISCV__) 84 #define __PACKED_UNION union __attribute__((packed, aligned(1))) 85 #else 86 /* Needs IAR language extensions */ 87 #define __PACKED_UNION __packed union 88 #endif 89 #endif 90 91 #ifndef __ALIGNED 92 #if defined(__ICCARM_V8) || defined (__ICCRISCV__) 93 #define __ALIGNED(x) __attribute__((aligned(x))) 94 #elif (__VER__ >= 7080000) 95 /* Needs IAR language extensions */ 96 #define __ALIGNED(x) __attribute__((aligned(x))) 97 #else 98 #warning No compiler specific solution for __ALIGNED.__ALIGNED is ignored. 99 #define __ALIGNED(x) 100 #endif 101 #endif 102 103 #endif 104 105 #ifndef __ALIGN_BEGIN 106 #define __ALIGN_BEGIN 107 #endif 108 #ifndef __ALIGN_END 109 #define __ALIGN_END __attribute__((aligned(4))) 110 #endif 111 112 #ifndef ARG_UNUSED 113 #define ARG_UNUSED(x) (void)(x) 114 #endif 115 116 #ifndef LO_BYTE 117 #define LO_BYTE(x) ((uint8_t)(x & 0x00FF)) 118 #endif 119 120 #ifndef HI_BYTE 121 #define HI_BYTE(x) ((uint8_t)((x & 0xFF00) >> 8)) 122 #endif 123 124 #ifndef MAX 125 #define MAX(a, b) (((a) > (b)) ? (a) : (b)) 126 #endif 127 128 #ifndef MIN 129 #define MIN(a, b) (((a) < (b)) ? (a) : (b)) 130 #endif 131 132 #ifndef BCD 133 #define BCD(x) ((((x) / 10) << 4) | ((x) % 10)) 134 #endif 135 136 #ifdef BIT 137 #undef BIT 138 #define BIT(n) (1UL << (n)) 139 #else 140 #define BIT(n) (1UL << (n)) 141 #endif 142 143 #ifndef ARRAY_SIZE 144 #define ARRAY_SIZE(array) \ 145 ((int)((sizeof(array) / sizeof((array)[0])))) 146 #endif 147 148 #ifndef BSWAP16 149 #define BSWAP16(u16) (__builtin_bswap16(u16)) 150 #endif 151 #ifndef BSWAP32 152 #define BSWAP32(u32) (__builtin_bswap32(u32)) 153 #endif 154 155 #define GET_BE16(field) \ 156 (((uint16_t)(field)[0] << 8) | ((uint16_t)(field)[1])) 157 158 #define GET_BE32(field) \ 159 (((uint32_t)(field)[0] << 24) | ((uint32_t)(field)[1] << 16) | ((uint32_t)(field)[2] << 8) | ((uint32_t)(field)[3] << 0)) 160 161 #define SET_BE16(field, value) \ 162 do { \ 163 (field)[0] = (uint8_t)((value) >> 8); \ 164 (field)[1] = (uint8_t)((value) >> 0); \ 165 } while (0) 166 167 #define SET_BE24(field, value) \ 168 do { \ 169 (field)[0] = (uint8_t)((value) >> 16); \ 170 (field)[1] = (uint8_t)((value) >> 8); \ 171 (field)[2] = (uint8_t)((value) >> 0); \ 172 } while (0) 173 174 #define SET_BE32(field, value) \ 175 do { \ 176 (field)[0] = (uint8_t)((value) >> 24); \ 177 (field)[1] = (uint8_t)((value) >> 16); \ 178 (field)[2] = (uint8_t)((value) >> 8); \ 179 (field)[3] = (uint8_t)((value) >> 0); \ 180 } while (0) 181 182 #define WBVAL(x) (x & 0xFF), ((x >> 8) & 0xFF) 183 #define DBVAL(x) (x & 0xFF), ((x >> 8) & 0xFF), ((x >> 16) & 0xFF), ((x >> 24) & 0xFF) 184 185 #define PP_NARG(...) \ 186 PP_NARG_(__VA_ARGS__, PP_RSEQ_N()) 187 #define PP_NARG_(...) \ 188 PP_ARG_N(__VA_ARGS__) 189 #define PP_ARG_N( \ 190 _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, \ 191 _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, \ 192 _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, \ 193 _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, \ 194 _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, \ 195 _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, \ 196 _61, _62, _63, N, ...) N 197 #define PP_RSEQ_N() \ 198 63, 62, 61, 60, \ 199 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, \ 200 49, 48, 47, 46, 45, 44, 43, 42, 41, 40, \ 201 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, \ 202 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, \ 203 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, \ 204 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 205 206 #endif /* USB_UTIL_H */ 207